About Us
We are the South Island distributors of Nudura ICF range of Integrated products and now adding the Viking timber double and triple glazed windows to our range.
Both products meet passive house standard effortlessly for cool climate.
With more than 30 years’ experience in building in NZ, both on our own extensive property developments and for clients. Now living in Otago, we focus on providing passive house levels of performance from our building envelope materials.
A building envelope that exceeds NZ codes by dramatic amounts. From the ground up a structural envelope that performs to world class standards. Below is a table comparing NZ minimum code to a PhD built home.
| Building Element | PhD Values | NZ Code zone 3 values |
|---|---|---|
|
Foundation/floor |
R3.8 |
R1.2 |
|
Walls |
R4.2 |
R2.2 |
|
Roof |
R6 |
R3.3 |
|
Windows |
R.1.3 |
R0.26 |
|
ACH per hour |
<.6 |
No Requirement |
|
Durability |
>100 Years |
>50 years |
|
Heating and Cooling |
15kWh per m2 per annum |
No Requirement |
